Why the study?
Does prolonged exhaustive exercise cause cardiac fatigue or dysfunction in nonathletic healthy adults?
Population
24 nonathletic healthy adults (14 males, 10 females; mean age 42 +/- 11 years)
Comparison
Treadmill exercise at 70% of maximal oxygen… vs Pre-exercise baseline
Design
Cohort
Follow-up
15 minutes post-exercise
Authors
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Supports no true LV dysfunction from exhaustive exercise in nonathletes; hypothesis-generating for endurance predictors and athlete comparisons.
Does prolonged exhaustive exercise cause cardiac fatigue or dysfunction in nonathletic healthy adults?
Prolonged exhaustive exercise in nonathletic adults does not induce true systolic or diastolic dysfunction, with observed changes primarily reflecting preload reduction.
Alshaher et al. (2007) studied this question.
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